62 lines
2.0 KiB
C++
62 lines
2.0 KiB
C++
// Filename: perlinNoise3.h
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// Created by: drose (05Oct05)
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//
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////////////////////////////////////////////////////////////////////
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//
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// PANDA 3D SOFTWARE
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// Copyright (c) Carnegie Mellon University. All rights reserved.
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//
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// All use of this software is subject to the terms of the revised BSD
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// license. You should have received a copy of this license along
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// with this source code in a file named "LICENSE."
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//
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////////////////////////////////////////////////////////////////////
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#ifndef PERLINNOISE3_H
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#define PERLINNOISE3_H
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#include "pandabase.h"
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#include "perlinNoise.h"
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////////////////////////////////////////////////////////////////////
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// Class : PerlinNoise3
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// Description : This class provides an implementation of Perlin noise
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// for 3 variables. This code is loosely based on the
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// reference implementation at
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// http://mrl.nyu.edu/~perlin/noise/ .
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////////////////////////////////////////////////////////////////////
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class EXPCL_PANDA_MATHUTIL PerlinNoise3 : public PerlinNoise {
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PUBLISHED:
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INLINE PerlinNoise3();
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INLINE PerlinNoise3(double sx, double sy, double sz,
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int table_size = 256, unsigned long seed = 0);
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INLINE PerlinNoise3(const PerlinNoise3 ©);
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INLINE void operator = (const PerlinNoise3 ©);
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INLINE void set_scale(double scale);
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INLINE void set_scale(double sx, double sy, double sz);
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INLINE void set_scale(const LVecBase3f &scale);
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INLINE void set_scale(const LVecBase3d &scale);
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INLINE double noise(double x, double y, double z) const;
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INLINE float noise(const LVecBase3f &value) const;
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double noise(const LVecBase3d &value) const;
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INLINE double operator ()(double x, double y, double z) const;
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INLINE float operator ()(const LVecBase3f &value) const;
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INLINE double operator ()(const LVecBase3d &value) const;
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private:
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void init_unscaled_xform();
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INLINE static double grad(int hash, double x, double y, double z);
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private:
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LMatrix4d _unscaled_xform;
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LMatrix4d _input_xform;
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};
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#include "perlinNoise3.I"
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#endif
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